Twin True Wireless Earbuds V4.2+Der H9q I7s with Charging Dock

Specifications:

• Driver: 15mm
• Impedance: 32 OHM
• Bluetooth Version: Bluetooth V4.2 + EDR
• Bluetooth Use Band: 2.4GHz
• Power Level: CLASS II
• Output Power: 30mW
• Bluetooth Distance: 10 Meters Barrier
• Frequency Response: 20-20000Hz
• Operating Voltage Range: 3.0V-4.2V
• Mic Sensitivity: -42dB
• With A2DP / AVRCP High Quality Stereo Audio Transmission and Remote Control Protocol
• Powerful Noise De-Noising Circuit (Active Noise Reduction)
• Switch between Chinese and English (Boot Does Not Connect Bluetooth State, Press the Switch 2 Times, Hear the Tone Switch Successfully)
• Talk Time: About 4-5 Hours
• Music Time: About 4-5 Hours
• Standby Time: About 100 Hours